- East Earl, Pennsylvania, United States
- Nov 7th
Spirax-Sarco MST21 - 1/4" NPT, 304 psi, Balanced Pressure Thermostatic Steam Trap Overview Spirax-Sarco model MST21 balanced pressure thermostatic steam trap, with a 1/4" NPT connection, for service up to 304 psi. The MST21 features a welded stainless steel element that is self-adjusting over the entire operating pressure range and a standard cap. The trap will discharge condensate at approximately 18°F subcool.